#!/bin/sh
# Copyright 2008 by Denys Vlasenko
# Licensed under GPL v2, see file LICENSE for details.

. testing.sh

# check if hexdump supports the '-R' option
hexdump -R </dev/null >/dev/null 2>&1 || {
	echo "'hexdump -R' is not available" >&2
	exit 1
}

# ls -ln is showing date. Need to remove that, it's variable
# sed: coalesce spaces
# cut: remove date
FILTER_LS="sed 's/  */ /g' | cut -d' ' -f 1-5,9-"


# newc cpio archive of directory cpio.testdir with empty x and y hardlinks
hexdump="\
00000000  42 5a 68 39 31 41 59 26  53 59 64 1e 91 8c 00 00
00000010  48 7f 80 4c 48 08 00 28  01 ff e0 3f 24 14 00 0e
00000020  20 dc 60 20 00 92 11 ea  a0 1a 00 00 00 03 20 8a
00000030  93 d4 9a 68 1a 0d 1e 91  a1 a0 06 98 e3 5c 2f d9
00000040  26 a1 25 24 20 ed 47 c7  21 40 2b 6e f2 e6 fe 98
00000050  13 68 a8 bd 82 b2 4f 26  02 24 16 5b 22 16 72 74
00000060  15 cd c1 a6 9e a6 5e 6c  16 37 35 01 99 c4 81 21
00000070  29 28 4b 69 51 a9 3c 1a  9b 0a e1 e4 b4 af 85 73
00000080  ba 23 10 59 e8 b3 e1 a1  63 05 8c 4f c5 dc 91 4e
00000090  14 24 19 07 a4 63 00
"

user=$(id -u)
group=$(id -g)

rm -rf cpio.testdir

# testing "test name" "options" "expected result" "file input" "stdin"

testing "cpio extracts zero-sized hardlinks" \
	"echo '$hexdump' | hexdump -R | bzcat | cpio -i; echo \$?;
	ls -ln cpio.testdir | $FILTER_LS" \
"\
1 blocks
0
-rw-r--r-- 2 $user $group 0 x
-rw-r--r-- 2 $user $group 0 y
" \
	"" ""

# Currently fails. Numerous: "1 blocks" versus "1 block",
# "1 block" must go to stderr, does not list cpio.testdir/x and cpio.testdir/y
testing "cpio lists hardlinks" \
	"echo '$hexdump' | hexdump -R | bzcat | cpio -t 2>&1; echo \$?" \
"\
1 block
cpio.testdir
cpio.testdir/x
cpio.testdir/y
0
" \
	"" ""

# clean up
rm -rf cpio.testdir

exit $FAILCOUNT